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Cast iron with lamellar graphite
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Cast iron with lamellar graphite
Cast type |
Cast iron with lamellar graphite |
Material No. |
EN-JL-1050 |
US standard (AISI) |
No. 30 B |
DIN EN 10027-2 |
5.1302 |
Abbreviation |
EN-GJL-300 |
Old designation |
GG-30 DIN 1561 |
Composition [%] |
C: 2.95 – 3.20 Si: 2.10 – 2.40 Mn: 0.55 – 0.75 P: 0.10 – 0.20 S: 0.04 – 0.07 |
Density [g/cm³] |
7.25 |
R0.2 N/mm² Yield strength |
- |
0.1% Elongation limit Rp0.1 N/mm² |
195 – 260 |
Tensile strength Rm [N/mm²] |
300 – 400 |
Brinell hardness HB30 Sample <30 mm |
200 – 240 |
Elongation after fracture A% |
0.8 – 0.3 |
Elastic modulus E kN/mm² |
200 – 275 |
Compressive strength Sdb N/mm² |
960 |
Workability |
Very good |
Weldability |
Limited, can be welded with special electrodes |
Compressive strength |
Good |
Emergency-running properties |
Good |
Thermal conductivity |
Good |
Vibration-absorbing properties |
Good |
Castability |
Very good |
Other properties |
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Structure |
Pearlitic |
Main uses |
Bearing shells, turbine housing, turbines, presses, tools Recommended wall thicknesses: >30 mm, presses, tables, impellers, tools, tombstones, mounting brackets |
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This information is for reference only; we do not assume any liability for its accuracy. The properties of steel materials are highly dependent on their thermal and/or mechanical treatment. |
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